3. A short bar magnet placed with its axis at 30° with auniform externalmagnetic field of0.25 Texperiences a torque of magnitudes equal to4.5x 10 J. What is the magnitude of magneticmoment of the magnet?

Given data: Angle (θ) = 30° Magnetic field (B) = 0.25 T Torque (τ) = 4.5×10-2 J Required: The…

A short bar magnet placed with its axis at 30° with a 0.25 T equal to uniform external magnetic field of experiences a torque of magnitudes 4.5x 10-2 J. What is the magnitude of magnetic moment of the magnet?

A short bar magnet placed with its axis at 30° with a 0.25 T equal to uniform external magnetic field of experiences a torque of magnitudes 4.5x 10-2 J. What is the magnitude of magnetic moment of the magnet?

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter24: Magnetic Fields

Section: Chapter Questions

Problem 67A

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Concept explainers

Magnetic Field Of Coaxial Cable

The word coaxial means same axis. So for a long straight cable to be coaxial, it must have concentric cylindrical shaped conductor around it. Coaxial cable (popularly called ‘coax’) has various applications ranging from current conductors to radiofrequency signal transmitters. This cable has lower emission losses and provides protection from electromagnetic interference which allows signals with less power to transmit over longer distances.For example, currents produced in the pickup of a stereo turntable generally travel to the amplifier through a coaxial cable.The self-inductance of a coaxial cable is another important characteristic, because it influences the propagation of electrical signals in the cable.

Question

3. A short bar magnet placed with its axis at 30° with a
uniform external
magnetic field of
0.25 T
experiences a torque of magnitudes equal to
4.5x 10 J. What is the magnitude of magnetic
moment of the magnet?

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